ENIGMATIC
enigmatic, oracular
(adjective) resembling an oracle in obscurity of thought; “the oracular sayings of Victorian poets”; “so enigmatic that priests might have to clarify it”; “an enigmatic smile”
enigmatic, enigmatical, puzzling
(adjective) not clear to the understanding; “I didn’t grasp the meaning of that enigmatic comment until much later”; “prophetic texts so enigmatic that their meaning has been disputed for centuries”
Source: WordNet® 3.1
Adjective
enigmatic (comparative more enigmatic, superlative most enigmatic)
Pertaining to an enigma.
Mysterious.
Defying description.
(variant) Enigmatical.
Synonyms
• (mysterious): See also mysterious
• (defying description): See also incomprehensible
Source: Wiktionary
E`nig*mat"ic, E`nig*mat"ic*al, a. Etym: [Cf. F. énigmatique.]
Definition: Relating to or resembling an enigma; not easily explained or
accounted for; darkly expressed; obscure; puzzling; as, an
enigmatical answer.
Source: Webster’s Unabridged Dictionary 1913 Edition